They can apply so much pressure on you than going T1 may be your doom. Dual Kubel into Luch, if you go T1, you'll be helpless.
Double REs in cover best one or two kubels, and they lose AI power meaning rifles have an easier time beating his inf.
T1 of USF hardcounters OKW T0, OKW T2 hardcounters USF T1, USF T0/T1 soft counters OKW T2.